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SIT Shaft Couplings

SIT are shaft couplings of an Italian manufacturer designed for the transmission of high torques and speeds.

Shaft couplings are available in various series and designs from the smallest elastic to large flexible, disc and gear couplings.

SIT TRASCO Elastic Couplings - Preview

TRASCO (Elastic)

Couplings with front claws and elastic polyurethane star-shaped element

SIT TRASCO ES Zero-Backlash Couplings - Preview

TRASCO ES (Zero-Backlash)

Zero-backlash couplings with front claws and elastic polyurethane star-shaped element

SIT SITEX Gear Couplings - Preview

SITEX (Gear)

Gear coupling with steel hubs and a nylon sleeve with internal teeth

SIT SITEX FL Gear Couplings - Preview


Gear coupling a nylon flange with internal teeth designed to connect flywheel, according to SAE J620

SIT METALDRIVE Disc Couplings - Preview


Torsionally stiff disc couplings with steel construction and stainless steel disc packs

SIT SERVOPLUS Bellows Couplings - Preview


All-metal torsionally rigid bellows couplings

Couplings Fields of Use

SIT shaft couplings are designed for connecting two shafts in all industries.

They are used in many machines, from small precision instruments and machines to heavy drives in conveyor system drives, packaging machines and other drives in the food, chemical, glass, paper, woodworking and rubber industries.

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We also provide design and calculation of transmission components, including shaft couplings. In the case of your interest in this service, use the detailed Transmission Drive Design Form.

Shaft Coupling Manufacturer Profile

logo SIT

The group SIT S.p.A develops, engineers, manufactures and distributes high quality solutions and components for power transmission for industrial applications of excellence worldwide, with the aim of increasing the productivity of its customers’ machines and systems. With operations on 3 continents, SIT manufactures pulleys, rubber and polyurethane belts, drive couplings, locking assemblies and a wide range of accessories.

SIT belongs to a large industrial group that dates as far back as 1838. Today, thanks to over 50 years of specific experience in power transmission and a close-knit team of highly qualified professionals, the Group engages in constant technological innovation in order to offer the best application solutions in mechanical power drives.

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